diff --git a/libports/Makefile b/libports/Makefile
index 2913b4afeb..82cf26c033 100644
--- a/libports/Makefile
+++ b/libports/Makefile
@@ -15,8 +15,8 @@ DOWNLOAD_DIR = download
 CONTRIB_DIR  = contrib
 GNU_FIND     = find
 SHELL        = bash
-SIGVERIFIER  = $(PWD)/../tool/download_sigver
-HASHVERIFIER = $(PWD)/../tool/download_hashver
+SIGVERIFIER  = $(CURDIR)/../tool/download_sigver
+HASHVERIFIER = $(CURDIR)/../tool/download_hashver
 
 #
 # Create download and contrib directory so that '<port>.mk' files
diff --git a/ports/Makefile b/ports/Makefile
index 869f563843..7727f72888 100644
--- a/ports/Makefile
+++ b/ports/Makefile
@@ -15,8 +15,8 @@ DOWNLOAD_DIR = download
 CONTRIB_DIR  = contrib
 GNU_FIND     = find
 SHELL        = bash
-SIGVERIFIER  = $(PWD)/../tool/download_sigver
-HASHVERIFIER = $(PWD)/../tool/download_hashver
+SIGVERIFIER  = $(CURDIR)/../tool/download_sigver
+HASHVERIFIER = $(CURDIR)/../tool/download_hashver
 
 #
 # Create download and contrib directory so that '<port>.mk' files